BH3548F

Headphone Amplifiers Standard Headphone Amplifiers BH3544F,BH3547F,BH3548F No.15102EDT02 ●Description BH3544F, BH3547F, BH3548F are headphone amplifiers suitable for portable products. BH3544F, BH3547F, BH3548F has a fixed gain of 6 dB. External resistors for gain setting are not needed. Package of BH3544F, BH3547F, BH3548F is pin-to-pin compatible (SOP8), enable to replace each other easily. BH3544F, BH3547F, BH3548F also has mute functions that make it easy to prevent pop noise when power supply turns on/off. Moreover, thermal shutdown function is built-in.BH3544F, BH3547F can drive 16/32Ω load, BH3548F can drive 8/16/32Ω. So, BH3548F is suitable for 8Ω receiver. ●Features 1) Built-in mute function for preventing pop noise when power supply turns on/off 2) Built-in thermal shutdown function 3) BH3544F, BH3547F, BH3548F are pin-to-pin compatible 4) SOP8 small package ●Applications TV, Desktop PC, Notebook PC, Camcorder and other equipment having headphone output ●Line up Part No. Supply voltage Quiescent current Amplifier gain Output [RL=16Ω] load impedance Operating temperature range BH3544F BH3547F +2.8 ～ +6.5 +4.5 ～ +6.5 7.0 3.7 6 62 77 16 / 32 -25 ～ +75 BH3548F +4.0 ～ +5.5 6.5 62 8/16/32 -40 ～ +85 Unit V mA dB mW Ω ℃ ●Absolute maximum ratings(Ta=25°C) Parameter Symbol Ratings BH3544F,BH3547F,BH3548F Applied voltage VCC 7.0 Power dissipation Pd 550 *1 Storage temperature Tstg -55～+125 *1 Derating is done at 5.5mW/°C above Ta=25°C. (When mount...